108961088623 has 2 divisors, whose sum is σ = 108961088624. Its totient is φ = 108961088622.

The previous prime is 108961088557. The next prime is 108961088629. The reversal of 108961088623 is 326880169801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108961088623 is a prime.

It is a super-2 number, since 2×108961088623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108961088629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54480544311 + 54480544312.

It is an arithmetic number, because the mean of its divisors is an integer number (54480544312).

Almost surely, 2^108961088623 is an apocalyptic number.

108961088623 is a deficient number, since it is larger than the sum of its proper divisors (1).

108961088623 is an equidigital number, since it uses as much as digits as its factorization.

108961088623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 108961088623 in words is "one hundred eight billion, nine hundred sixty-one million, eighty-eight thousand, six hundred twenty-three".